Not one in one hundred children exposed to the disease are likely to develop symptoms of it.

Choose the correct answer to complete the sentence. "In the first case, the dried material is scraped off the roller as a thin film _____ is then broken up into small, though still relatively coarse flakes."

Every year, thousands of tourists visit ……... Nile River.

His roommate is not very clever student, but he certainly works very hard indeed

Zoos in New Orleans, San Diego, Detroit, and the Bronx have become biological parks where animals roams free and people watch from across a moat.

The skin receives nearly the third of the blood pumped out by the heart.

In some species of fish, such the three-spined stickleback, the male, not the female, performs the task of caring for the young.

Some birds can travel at speeds approaching one hundred miles an hour, and a few land animals can so.

As the numeral of older people increases, services for the elderly will soon represent one of the fastest-growing areas of employment.

Choose the correct answer to complete the sentence. "Climate change leads _____ numerous catastrophic consequences"

Do you think that the humans will ever be able to live in other planets?

The Vermont Elememary Science Project, according to its founders, are designed to challenge some of the most widely held beliefs about teaching 

Bacteria lived in the soil play a vital role in recycling the Carbon and Nitrogen needed by plants.

..................United States is ...................world's biggest consumer of energy. 

My daughter is learning to play..................violin at .................. school. 

Choose the correct answer to complete the sentence. "Having denied the ______ for the environment it caused, the factory was forced to close down"

The symptoms of diabetes in the early stages are too slight that people don’t notice them

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If he weren’t too old, he would apply to the job as a reporter. 

It is difficult to get used to sleep in a tent after having a soft comfortable bed to lie on.

Air pollution, together with littering, are causing many problems in our large, industrial cities today.

...........big books on ...........table are for my history class.